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Java > Open Source Codes > org > lucane > applications > whiteboard > operations > GraphInsert


1 /*
2  * Lucane - a collaborative platform
3  * Copyright (C) 2004 Vincent Fiack <vfiack@mail15.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package org.lucane.applications.whiteboard.operations;
20
21 import org.lucane.applications.whiteboard.graph.MyGraph;
22 import org.lucane.applications.whiteboard.operations.changers.*;
23
24 import java.util.*;
25
26 import org.jgraph.event.GraphModelEvent;
27 import org.jgraph.graph.*;
28
29 public class GraphInsert implements GraphOperation
30 {
31     private Object JavaDoc[] inserted;
32     private Map attributes;
33     private ConnectionSet connectionSet;
34     private ParentMap parentMap;
35         
36     public void init(GraphModelEvent gme)
37     {
38         GraphModelEvent.GraphModelChange change = gme.getChange();
39         
40         this.inserted = change.getInserted();
41         this.attributes = change.getPreviousAttributes();
42         this.connectionSet = change.getPreviousConnectionSet();
43         this.parentMap = change.getPreviousParentMap();
44     }
45
46     public void apply(MyGraph graph)
47     {
48         GraphModel model = graph.getModel();
49         for(int i=0;i<inserted.length;i++)
50         {
51             if(inserted[i] == null)
52                 continue;
53             
54             GraphCell gc = (GraphCell)inserted[i];
55             Changer changer = ChangerFactory.getChanger(gc);
56             changer.change(graph, gc, gc);
57         }
58         
59         model.insert(inserted, attributes, connectionSet, parentMap, null);
60     }
61 }
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